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Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

Explain the process of spilling in MapReduce?

 597

What is the characteristic of streaming API that makes it flexible run MapReduce jobs in languages like Perl, Ruby, Awk etc.?

 452

How to create a Map Reduce job through Talend?

 5

In Hive, can you overwrite Hadoop MapReduce configuration in Hive?

 771

What is LazyOutputFormat in MapReduce?

 683

What is Output Format in MapReduce?

 694

Explain the features of Apache Spark because of which it is superior to Apache MapReduce?

 617

What are the identity mapper and reducer in MapReduce?

 780

How to optimize Hadoop MapReduce Job?

 631

How to specify more than one directory as input in the Hadoop MapReduce Program?

 713

How to change the name of the output file from part-r-00000 in Hadoop MapReduce?

 650

Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?

 613

In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?

 644

How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?

 624

What is the relation between MapReduce and Hive?

 640



Related Topics


Un-Answered Questions { MapReduce }

What MapReduce framework consists of?

1094

Can we submit the mapreduce job from slave node?

1104

What is a IdentityMapper and IdentityReducer in MapReduce ?

943

Explain Working of MapReduce?

969

Write a Mapreduce Program for Character Count ?

1047

how to proceed to write your first mapreducer program?

1342

Developing a MapReduce Application?

963

Different ways of debugging a job in MapReduce?

1105

What are combiners? When should I use a combiner in my MapReduce Job?

899

How does MapReduce framework view its input internally?

867

What are the steps involved in MapReduce framework?

979

What is the Job interface in MapReduce framework?

906

How to overwrite an existing output file during execution of mapreduce jobs?

1091

What is the core of the job in MapReduce framework?

848

How Pig differs from MapReduce?

797